130012532 has 24 divisors (see below), whose sum is σ = 259438536. Its totient is φ = 56475648.

The previous prime is 130012513. The next prime is 130012541. The reversal of 130012532 is 235210031.

It can be written as a sum of positive squares in 4 ways, for example, as 1779556 + 128232976 = 1334^2 + 11324^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 130012532.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72653 + ... + 74420.

It is an arithmetic number, because the mean of its divisors is an integer number (10809939).

Almost surely, 2^130012532 is an apocalyptic number.

It is an amenable number.

130012532 is a deficient number, since it is larger than the sum of its proper divisors (129426004).

130012532 is a wasteful number, since it uses less digits than its factorization.

130012532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147107 (or 147105 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 130012532 is about 11402.3038023024. The cubic root of 130012532 is about 506.5959794815.

Adding to 130012532 its reverse (235210031), we get a palindrome (365222563).

The spelling of 130012532 in words is "one hundred thirty million, twelve thousand, five hundred thirty-two".